<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <h1>{{text}}</h1>
        <input type="text" :value="text" @input="changeText">
        <input type="text" v-model="text">
    </div>
</body>
<script src="./vue.js"></script>
<script>
    const vue=new Vue({
        el:"#app",
        data:{
            text:"我是弹窗",
            flag:false,
        },
        methods:{
            changeText(e){
                console.log(e.target.value);
                this.text=e.target.value
            }
        }
    })
</script>
</html>
